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Classic Series 5.56x45 Nato Carbine Barrel For Ar-15 - 5.56x45 Nato 14.5'''' 1-7 M4 Carbine Bbl Chrome-Line Threaded
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$171.00
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SKU: 430108656
Overview
Built for AR-15 owners assembling or replacing a 5.56 chambered carbine barrel, this Classic Series option is configured with an M4 profile and a 1:7 twist rate. It uses CrMoV steel with a chrome lined bore and chamber, plus a manganese phosphate finish and phosphate coated M4 feed ramp extension. The 14.5-inch version is carbine gas, includes a .750" gas block journal, and is threaded 1/2x28 at the muzzle, making it suited to compact carbine setups where those specifications are required.
Why Hunters Choose the Ballistic Advantage
5.56 Chambering
Suits AR-15 builds using this
Chrome-lined Bore
Chamber are listed in the
Crmov Steel
Construction is specified in the
M4 Profile
Carbine-length gas system supports a
14.5-inch Length
1:7 twist rate are clearly
Key Features
- 5.56 chambered AR-15 barrel from Ballistic Advantage's Classic Series
- 14.5-inch M4 profile with carbine-length gas system
- Machined from CrMoV steel with chrome lined bore and chamber
- Manganese phosphate finish with phosphate coated M4 feed ramp extension
- 1:7 twist rate and .750-inch gas block journal
- 1/2x28 threaded muzzle
Best Used For
- AR-15 builders seeking a 5.56 NATO carbine-length barrel with listed 14.5-inch configuration
- Users wanting a chrome-lined bore and chamber with phosphate finish for a classic-spec setup
- Shooters planning a threaded muzzle setup with 1/2x28 compatibility
- Builders matching a 1:7 twist barrel to their existing carbine-gas AR-15 configuration
- Hunters or range users who prefer a straightforward, specification-driven barrel choice
Specifications
| Blade Finish | Phosphate |
|---|---|
| Caliber | 5.56x45 NATO |
| Chrome Lined Bore | Yes |
| Chrome Lined Bore 2 | Yes |
| Chrome Lined Chamber | Yes |
| Chrome Lined Chamber 2 | Yes |
| Finish 2 | Phosphate |
| Gas Block Journal | .750 in |
| Gas System Length | Carbine |
| Gas System Length 2 | Carbine |
| Length | 14.5 in |
| Length 2 | 16 in |
| Manganese Phosphate Finish | Yes |
| Manganese Phosphate Finish 2 | Yes |
| Material | Chrome Moly Vanadium |
| Material 2 | Chrome Moly Vanadium |
| Muzzle | 1/2x28 Threaded |
| Part Number | BABL556009MC |
| Part Number 2 | BABL556014MC |
| Phosphate Coated M4 Feed Ramp Extension | Yes |
| Phosphate Coated M4 Feed Ramp Extension 2 | Yes |
| Profile | M4 |
| Profile 2 | M4 |
| Sku 2 | 430108657 |
| Twist Rate | 1:7 |
| Twist Rate 2 | 1:7 |
| Weight | 25 oz |
Pros
- 5.56 chambering suits AR-15 builds using this barrel specification.
- Chrome-lined bore and chamber are listed in the product description.
- CrMoV steel construction is specified in the source data.
- M4 profile with carbine-length gas system supports a classic carbine setup.
- 14.5-inch length and 1:7 twist rate are clearly stated.
- 1/2x28 threaded muzzle is included in the listed specifications.
Considerations & Trade-offs
- The 14.5" barrel is threaded 1/2x28, so muzzle device selection should be matched to that thread pattern and any local legal requirements should be checked before purchase.
- This is a carbine-length gas system, which may matter for builders planning around a specific recoil impulse or parts compatibility rather than a general-purpose setup.
- The 1:7" twist rate is a fixed specification, so it is best suited to users who want that twist rather than a more flexible, adjustable option.
- The listed details cover the barrel configuration, but not a complete upper or rifle, so additional AR-15 components will still be required for a finished build.
Suggested Comparisons
- AR-15 complete upper receiver assemblies
- AR-15 barrel assemblies in other lengths
- AR-15 gas system components
- AR-15 muzzle devices
Suggested Accessories
- AR-15 barrel nut wrench
- Gas block
- Handguard
- Muzzle device
Frequently Asked Questions
What caliber is this barrel chambered for?
It is chambered in 5.56x45 NATO / 5.56, as listed in the product title and description.
What barrel lengths are provided in the source data?
The source lists two versions: 14.5 inches and 16 inches.
What twist rate is specified?
The listed twist rate is 1:7.
What gas system length does the 14.5-inch version use?
The 14.5-inch version is listed with a carbine gas system length.
What threaded muzzle specification is listed?
The 14.5-inch version is listed with a 1/2x28 threaded muzzle. The source does not provide a separate muzzle specification for the 16-inch version.